cerwin vega hed vs. clarion power series and swr series

need help trying to figure out witch one of these are the best cheap sub to put in my winter car 96 awd suburu legecy the cerwin vega hed I heard are the best for the money 50 bucks on the zeb .com and sound the best in a sealed box . but clarion subs were around the same price range give or take 10 bucks , I also heard that the vega build quility was very good don't know when the sale ends so any fast help would do also i be using a sealed enclosure if that help thank